Suppose a random sample of 49 is selected from a population with a
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(outside or inside) the confidence interval. Therefore, there is no reason to reject the Runzheimer figure as different from what we are getting based on this sample.
According to a survey by Runzheimer International, the average cost of a fast-food meal (quarter-pound cheeseburger, large fries, medium soft drink, excluding taxes) in Seattle is $4.82. Suppose this figure was based on a sample of 27 different establishments and the standard deviation was $0.37. Construct a 95% confidence interval for the population mean cost for all fast-food meals in Seattle. Assume the costs of a fast-food meal in Seattle are normally distributed. Using the interval as a guide, is it likely that the population mean is really $4.50? Why or why not?
Round the answers to 4 decimal places.
in the interval, we are 95% confident thatμ4.50.
The tolerance is +/- 0.0005.
Assuming x is normally distributed, use the following information to compute a 90% confidence interval to estimate .
313
320
319
340
325
310
321
329
317
311
307
318
Round the answers to 2 decimal places.
[removed] ≤ μ ≤ [removed]
The tolerance is +/- 0.05.
The marketing director of a large department store wants to estimate the average number of customers who enter the store every five minutes. She randomly selects five-minute intervals and counts the number of arrivals at the store. She obtains the figures 54, 32, 41, 44, 56, 80, 49, 29, 32, and 74. The analyst assumes the number of arrivals is normally distributed. Using these data, the analyst computes a 95% confidence interval to estimate the mean value for all five-minute intervals. What interval values does she get?
Round the intermediate values to 2 decimal places. Round your answers to 2 decimal places, the tolerance is +/-0.01.
[removed] ≤ μ ≤ [removed]
A meat-processing company in the Midwest produces and markets a package of eight small sausage sandwiches. The product is nationally distributed, and the company is interested in knowing the average retail price charged for this item in stores across the country. The company cannot justify a national census to generate this information. Based on the company information system’s list of all retailers who carry the product, a researcher for the company contacts 36 of these retailers and ascertains the selling prices for the product. Use the following price data and a population standard deviation of 0.113 to determine a point estimate for the national retail price of the product. Construct a 90% confidence interval to estimate this price.
$2.23
$2.11
$2.12
$2.20
$2.17
$2.10
2.16
2.31
1.98
2.17
2.14
1.82
2.12
2.07
2.17
2.30
2.29
2.19
2.01
2.24
2.18
2.18
2.32
2.02
1.99
1.87
2.09
2.22
2.15
2.19
2.23
2.10
2.08
2.05
2.16
2.26
Round the answers to 3 decimal places.
[removed]Point Estimate
[removed] ≤ μ ≤ [removed]
The tolerance is +/- 0.005.
A bank officer wants to determine the amount of the average total monthly deposits per customer at the bank. He believes an estimate of this average amount using a confidence interval is sufficient. How large a sample should he take to be within $200 the actual average with 99% confidence? He assumes the standard deviation of total monthly deposits for all customers is about $1,000.
Suppose you have been following a particular airline stock for many years. You are interested in determining the average daily price of this stock in a 10-year period and you have access to the stock reports for these years. However, you do not want to average all the daily prices over 10 years because there are several thousand data points, so you decide to take a random sample of the daily prices and estimate the average. You want to be 90% confident of your results, you want the estimate to be within $3.00 of the true average, and you believe the standard deviation of the price of this stock is about $12.75 over this period of time. How large a sample should you take?
Sample size=[removed]
A national beauty salon chain wants to estimate the number of times per year a woman has her hair done at a beauty salon if she uses one at least once a year. The chain’s researcher estimates that, of those women who use a beauty salon at least once a year, the standard deviation of number of times of usage is approximately 6. The national chain wants the estimate to be within one time of the actual mean value. How large a sample should the researcher take to obtain a 98% confidence level?
Round your answer up to the nearest integer.
Sample[removed].
The tolerance is +/- 1.
7 years ago
Suppose a random sample of 49 is selected from a population with a standard deviation of 14. If the sample mean is 125, the 99% confidence interval to estimate the population mean is between
The culminating project for Food and Culture is a 7-page research paper of your choice. You may choose a topic that we are exploring in class, or an area of personal or academic interest. A sample list of the types of topics is provided below. These topics are merely meant to give you an idea of the vast possibilities. Whatever topic you select, it must be original. By this, I mean that you may not select a topic that you are using, or have previously used for another class. Try to select a topic as soon as possible, and contact me with me your ideas.
THE PAPER
Follow APA-formatting guidelines
Double spaced
7 pages
12pt Times New Roman font
Provide a title that accurately defines your paper.
Provide a cover page (not part of the page count)
Provide a reference page (not part of the page count)
Abstract page (not part of the page count)
Written in third person
Create a clearly stated thesis, and focus the entire paper around it. Provide specific examples to support this thesis. Select other studies, or scholarly articles (peer reviewed) to use as models. For example, if you are doing a study on female roles in Ethiopian festival cooking, look for studies that also focus on gender roles or festival food preparations. It is important that you incorporate other academic studies into your paper. You must not just cite these sources, but frame them, or compare them to your study in some way. Provide a critical analysis of your selected topic, involving information from the course materials.
I suggest beginning with a thorough search in the APUS library, for any and all material related to your topic of interest. Explore the Internet, newspaper articles, journals, live interviews, participate in an actual event or situation, or consult archives. Please include at least FIVE scholarly references (journals or books).
Proofread the paper for grammatical and citation errors. Cite all original quotes and paraphrased information. Please use the APA style and make sure that you consult an online style manual for the exact way to reference materials.
Sample topics:
. Exploring a particular ethnic group's foodways
. Specific religious practices and food
. An in-depth study of a food event or festival
. An ethnographic study of a soup kitchen
. A literary analysis of food related novels or films
. A cultural analysis of veganism
. Cultural identity through street food
July 1, 2023
The culminating project for Food and Culture is a 7-page research paper of your choice. You may choose a topic that we are exploring in class, or an area of personal or academic interest. A sample list of the types of topics is provided below. These topics are merely meant to give you an idea of the vast possibilities. Whatever topic you select, it must be original. By this, I mean that you may not select a topic that you are using, or have previously used for another class. Try to select a topic as soon as possible, and contact me with me your ideas.
THE PAPER
Follow APA-formatting guidelines
Double spaced
7 pages
12pt Times New Roman font
Provide a title that accurately defines your paper.
Provide a cover page (not part of the page count)
Provide a reference page (not part of the page count)
Abstract page (not part of the page count)
Written in third person
Create a clearly stated thesis, and focus the entire paper around it. Provide specific examples to support this thesis. Select other studies, or scholarly articles (peer reviewed) to use as models. For example, if you are doing a study on female roles in Ethiopian festival cooking, look for studies that also focus on gender roles or festival food preparations. It is important that you incorporate other academic studies into your paper. You must not just cite these sources, but frame them, or compare them to your study in some way. Provide a critical analysis of your selected topic, involving information from the course materials.
I suggest beginning with a thorough search in the APUS library, for any and all material related to your topic of interest. Explore the Internet, newspaper articles, journals, live interviews, participate in an actual event or situation, or consult archives. Please include at least FIVE scholarly references (journals or books).
Proofread the paper for grammatical and citation errors. Cite all original quotes and paraphrased information. Please use the APA style and make sure that you consult an online style manual for the exact way to reference materials.
Sample topics:
. Exploring a particular ethnic group's foodways
. Specific religious practices and food
. An in-depth study of a food event or festival
. An ethnographic study of a soup kitchen
. A literary analysis of food related novels or films
. A cultural analysis of veganism
. Cultural identity through street food
July 1, 2023
Suppose you have just been hired by a consultancy firm to work on a campaign to inform the public about various indoor sources of air pollution. Although you will be expected to learn about many different pollutants, your primary focus will be asbestos.
During your first day on the job, you meet a man whose home, which was constructed in the 1940s, is insulated with asbestos that has broken down over time. Explain two ways that the asbestos might damage the man’s health if it is not repaired or removed. Describe one method for repairing the asbestos. Later, you meet a woman whose home includes walls that have been patched with asbestos-based compounds. The asbestos has not broken down and the patches are still functional. Explain why it is preferable to leave the patches in place rather than remove them. During one of your home inspections, you discover an old refrigerator from the early 1980s in a family’s basement. Explain the relationship between appliances such as the refrigerator and stratospheric ozone depletion. Describe one negative health consequence of stratospheric ozone depletion and one piece of legislation or other political act that has combated stratospheric ozone depletion. Identify three common indoor pollutants other than those already mentioned in parts (a), (b), and (c), and describe a reduction technique or strategy for each pollutant.
essay:Read the following article from the Tarneton Times.
Excerpt of newspaper article entitled ‘SULFUR BOYCOTT PROPOSED’. Responding to mounting evidence that Tarneton and neighboring communities are facing an acid deposition crisis, local councilwoman Virginia Peete compiled a list of the 10 Tarneton-based companies that produce the most sulfur dioxide. Arguing that 'these polluters together are most responsible for the acid rain befouling our environment,' Peete proposed an immediate boycott of all products sold by those companies. Whereas 10 years ago, rainwater in the Tarneton area had a pH range of 5.7 to 6.0, five years ago the pH range had fallen to 5.1 to 5.4; two years ago the range dropped below 5.0 for the first time. An unusually warm winter, resulting in the melting of large quantities of snow and ice in the surrounding Millpond Mountains, has caused the most recent measurements to hit 4.3. Environmental groups concerned for the health of nearby Lake Tarne applauded Peete’s comments. A representative from Triton Auto Parts, one of the companies targeted by the boycott, stated, 'Acid deposition will continue to be a problem for Tarneton even if this boycott takes place.'
Describe two negative effects that acid deposition is likely to have on Lake Tarne. Describe a negative effect that acid deposition is likely to have on outdoor structures in Tarneton. Identify two chemical reactions that occur in Earth’s sulfur cycle and explain how they are necessary to the health of ecosystems such as Lake Tarne. Support Councilwoman Peete's argument by explaining how producers of sulfur dioxide contribute to acid deposition. Support the auto parts representative’s argument by explaining how chemicals other than sulfur dioxide also contribute to acid deposition. Do you think the proposed boycott would be an effective strategy for solving Tarneton’s acid deposition problem? Support your position by identifying one cost and one benefit of the plan.
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